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Which of the following defines a socket in the context of cloud computing networking?
a. A hardware-based interface for physical data transmission
b. An endpoint for sending or receiving data across a network using an IP address and port number
c. An API only used for disk storage operations
d. A protocol for only broadcasting data across cloud services
Answer: btestbook
What is the main purpose of sockets in cloud computing environments?
a. Managing cloud billing operations
b. Enabling inter-process communication over discrete virtual or physical networks
c. Handling virtualization hypervisor tasks exclusively
d. Scheduling cloud infrastructure maintenance
Answer: btestbook
Which key protocol is most commonly associated with socket-based programming in the cloud?
a. FTP
b. TCP/IP
c. ICMP
d. SMTP
Answer: btestbook
What two pieces of information uniquely identify a socket in a network?
a. Machine hostname and directory
b. IP address and port number
c. MAC address and subnet mask
d. Cloud client ID and API key
Answer: btestbook
Sockets in cloud systems can be used for both connection-oriented and connectionless communication. Which protocols do these represent, respectively?
a. HTTP and HTTPS
b. TCP and UDP
c. SMTP and POP3
d. IMAP and SNMP
Answer: btestbook
Which layer of the OSI model does a socket abstraction most closely relate to in cloud communication?
a. Application layer
b. Presentation layer
c. Session layer
d. Transport layer
Answer: dtestbook
In public cloud platforms, why are sockets critical for microservices architectures?
a. They store authentication tokens
b. They enable containers and services to communicate reliably
c. They provide DNS services by default
d. They enforce encryption at rest
Answer: bsanfoundry
Which function in a typical socket API binds a socket to a specific IP address and port in cloud server code?
a. bind()
b. connect()
c. accept()
d. resolve()
Answer: atestbook
What does the function listen() do in socket-based server applications hosted in the cloud?
a. It starts sending data packets to destinations
b. It converts an active socket into a passive socket, waiting for connections
c. It assigns a port number to attach to the socket
d. It disconnects all clients
Answer: btestbook
The accept() function in server-side cloud socket programming is used to:
a. Deny client connections for security
b. Block the server until a connection request arrives
c. Bind the socket to all interfaces
d. Encrypt traffic on the server
Answer: btestbook
What is the primary difference between TCP and UDP sockets in the cloud?
a. UDP is connection-oriented, TCP is not
b. TCP offers reliable delivery, whereas UDP does not guarantee delivery
c. UDP encrypts data but TCP does not
d. TCP is only used locally
Answer: btestbook
A “socket address” refers to:
a. Only an IP address
b. Only a port
c. Combination of IP address and port number
d. MAC address only
Answer: ctestbook
In cloud APIs, why is asynchronous socket programming often used?
a. To reduce code readability
b. To improve scalability and handle multiple connections
c. To lower costs by enforcing sequential execution
d. For compatibility with legacy storage hardware
Answer: bsanfoundry
What cloud security standard commonly depends on the use of Secure Sockets Layer (SSL)?
a. ISO 9001
b. ISO/IEC 27001
c. PCI DSS
d. IEEE 802.11
Answer: ctestbook
What is a common use of WebSockets in cloud applications?
a. Real-time communication such as messaging and active dashboards
b. Database backup automation
c. Virtual machine template creation
d. Static website generation
Answer: ageeksforgeeks
In the context of socket programming in the cloud, what does “bind failure” typically indicate?
a. Insufficient memory
b. The chosen IP/port combination is already in use or restricted
c. Disk quota exceeded
d. Faulty hardware
Answer: btestbook
How do cloud-based containers (like Docker) leverage socket-based networking?
a. Through dedicated, container-specific API endpoints
b. By sharing network namespaces and using virtual interfaces for socket connections
c. By assigning each container a unique filesystem only
d. By disabling all inter-process communication
Answer: bsanfoundry
The “connect()” socket function is primarily used in client code residing in cloud VMs to:
a. Wait for incoming connections
b. Initiate a connection to a server
c. Bind the server to a port
d. Encrypt outbound packets only
Answer: btestbook
Which tool helps diagnose socket-based connectivity issues in cloud computing?
a. Web browser
b. netstat
c. File explorer
d. Diskpart
Answer: btestbook
In socket programming, which function is used for a server to wait for and handle new client connections?
a. connect()
b. accept()
c. select()
d. sendto()
Answer: btestbook
What does “SO_REUSEADDR” socket option enable in a cloud server?
a. Prevents port reuse
b. Allows a port to be reused immediately after closing
c. Seals the socket for exclusive use
d. Automates encryption
Answer: btestbook
For virtualized cloud platforms, what is a benefit of Unix domain sockets over TCP sockets for local IPC?
a. Higher network congestion
b. Lower latency and higher speed for local inter-process communication
c. Enforces global authentication only
d. Limited to only Windows-based containers
Answer: btestbook
In cloud-native apps, which protocol is upgraded during the WebSocket handshake?
a. UDP to TCP
b. HTTP to WebSocket
c. FTP to SFTP
d. TCP to UDP
Answer: bgeeksforgeeks
Why do cloud platforms often provide load balancers with native socket support?
a. To apply firewall rules only
b. To distribute incoming connections from sockets efficiently across backend servers
c. To host virtual machines only
d. For VM migration between clouds
Answer: bsanfoundry
If a socket is not closed after communication in cloud apps, what is a likely consequence?
a. The kernel frees resources immediately
b. System resources may be leaked, leading to exhaustion
c. Backup jobs are started
d. All traffic is encrypted
Answer: bgeeksforgeeks
Which class is used in Java for TCP sockets in cloud server applications?
a. DatagramSocket
b. ServerSocket
c. HttpURLConnection
d. FTPClient
Answer: bgeeksforgeeks
What cloud application scenario commonly uses Datagram (UDP) sockets?
a. File uploads to object storage
b. DNS resolution and video streaming
c. Block storage replication
d. VM orchestration
Answer: btestbook
Socket API function select() is useful in cloud server code for:
a. Monitoring multiple sockets for readiness to perform I/O
b. Generating API tokens
c. Loading VM images
d. Allocating IP addresses
Answer: atestbook
Why would REST APIs not use socket connections directly in cloud computing?
a. REST APIs require message queuing always
b. REST is built on HTTP which already manages sockets behind abstraction
c. REST needs direct access to the kernel networking stack
d. REST APIs use only UDP sockets
Answer: bsanfoundry
Which technology extends socket-based models to provide full-duplex communication in browsers for cloud apps?
a. HTTPS
b. SMTP
c. WebSocket
d. SNMP
Answer: cgeeksforgeeks
What is “port forwarding” used for in socket-based cloud deployments?
a. Encrypting network data
b. Allowing external access to internal service endpoints via sockets
c. Running multiple hypervisors per host
d. Upgrading API keys
Answer: btestbook
What is a major security risk of improperly managed open sockets in cloud servers?
a. Increased virtual disk performance
b. Exposure to denial-of-service (DoS) attacks
c. Automatic cloud cost reduction
d. CPU throttling
Answer: btestbook
Which command can display all currently open sockets and related connections in a Linux-based cloud VM?
a. ls
b. netstat
c. df
d. vmstat
Answer: btestbook
What does a “socket timeout” setting achieve in cloud client-server apps?
a. Keeps connections open forever
b. Specifies how long to wait for activity before closing or failing the operation
c. Speeds up disk operations
d. Synchronizes time across clouds
Answer: btestbook
In AWS Lambda or Azure Functions, how is socket management typically handled?
a. Through persistent socket connections across executions
b. No support for long-lived sockets; handle ephemeral connections inside the function execution context
c. Direct access to raw network stack for permanent sockets
d. By default, sockets are externally managed for each invocation
Answer: bsanfoundry
Which socket option enables the sending of packets with “out-of-band” data in TCP cloud apps?
a. SO_KEEPALIVE
b. SO_OOBINLINE
c. SO_REUSEPORT
d. SO_BROADCAST
Answer: btestbook
Binding a socket to “0.0.0.0” in a cloud server application means:
a. Listen only on the public IP address
b. Listen on all available network interfaces
c. Listen only on the loopback interface
d. Disable incoming connections
Answer: btestbook
In Python’s socket module for cloud-based scripts, what does socket.AF_INET specify?
a. Use of encrypted connections
b. Use of IPv4 addresses for the socket
c. Usage of file system IO
d. Support for IPv6 only
Answer: btechtarget
Which protocol is commonly used by secure sockets for encrypted communication in cloud computing services?
a. HTTP
b. SSL/TLS
c. ICMP
d. DNS
Answer: btestbook
What is meant by “socket multiplexing” in scalable cloud solutions?
a. Assigning a new virtual machine per socket
b. Handling multiple sockets within a single thread or process using system calls like select(), poll(), or epoll()
c. Encrypting traffic on each socket at the application level
d. Duplicating data streams onto multiple hard drives
Answer: btestbook
In Kubernetes, what role do sockets play for internal pod networking?
a. Sockets are used for health checks only
b. Pods use sockets for services discovery and in-cluster communication
c. Sockets manage secret keys storage
d. Sockets are disabled in Kubernetes by default
Answer: bsanfoundry
Which cloud-native feature leverages WebSockets for real-time communication?
a. Object storage lifecycle policies
b. Multiplayer gaming platforms and collaborative document editing
c. OS image snapshotting
d. VM live migration
Answer: bgeeksforgeeks
Which function in the socket API is used to send data on a connectionless UDP socket?
a. sendto()
b. recvfrom()
c. listen()
d. accept()
Answer: atestbook
For compliance and auditing in cloud environments, what aspect of socket usage must be logged?
a. API request headers only
b. All open, closed, and failed socket connections with timestamps and IPs
c. Number of cloud users
d. Uptime of server instances only
Answer: bsanfoundry
In cloud SaaS platforms, persistent socket connections can help provide:
a. Serverless background jobs only
b. Real-time notification features and collaborative editing
c. Server image management
d. Cloud billing automation
Answer: bgeeksforgeeks
What does “half-open” (or “half-closed”) socket state indicate in TCP cloud server communication?
a. Both endpoints have closed the connection
b. One endpoint has closed its output; input may still be open
c. Socket encryption state is toggled
d. Client and server both ignore keepalive
Answer: btestbook
In serverless cloud models, what restricts long-lived socket usage?
a. Function cold starts and short execution lifetimes
b. Guaranteed permanent execution environment
c. Persistent root block devices
d. Unlimited background processes
Answer: asanfoundry
Why do cloud monitoring tools often include socket-level health checks?
a. Sockets are unrelated to service health
b. Socket connectivity directly indicates application availability and network reachability
c. Socket metrics drive VM pricing models
d. Socket checks manage storage quotas
Answer: bsanfoundry
What is a socket pair?
a. IP address and MAC address
b. Local and remote combination of IP address and port for a TCP/UDP connection
c. Two SSL certificates
d. Socket with file descriptor
Answer: btestbook
In cloud computing, what does establishing a socket connection guarantee?
a. Strong encryption of all data
b. Physical isolation of the data path
c. Logical pathway for data transmission between endpoints, not guaranteed data integrity unless protocol supports it
d. Complete VM isolation
Answer: ctestbook

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